51.

Do the following conversions in not more than two steps :
Ethyl benzene to Benzoic acid

Do the following conversions in not more than two steps :
Propanone to Propene

Write the structures of the monomers used for getting the following polymers:
Dacron

Write the structures of the monomers used for getting the following polymers:
Melamine – formaldehyde polymer

Write the structures of the monomers used for getting the following polymers:
Buna-N

Define the following :
Anionic detergents

Define the following :
Broad spectrum antibiotics

Define the following :
Antiseptic

Give reasons:
Acetylation of aniline reduces its activation effect.

Give reasons :
CH₃NH₂ is more basic than C₆H₅NH₂.